BJT, I'd hardly call this a problem! I have pretty much the exact erect measurements as you (6.2L, 4.75G), but really fall short in the flaccid stakes being just a bit over 3" in length. I'm not really worried about my erect size and no chick has ever complained or looked disappointed or (as far as I'm aware) left my bed disappointed.

But, when it comes to everyday things like taking a piss at a urinal or showering after the gym I do feel like less of a man. I'm sure if I was 5 foot 6, my dick would look perfectly normal, but, as with other posters, I'm 6'1" with a big frame and I don't have the big balls to add volume to my bulge, which (especially when sitting down) can look almost non-existent!

Most guys don't even know there's such a thing as growers and showers, they just think that every dick grows in similar proportions to their own. So I'm probably walking around with a bigger erect tool than many guys (though admittedly still pretty average), but looking like a guy with a small dick. So, in answer the OP, yeah, that's bloody frustrating!!